The Exploration of Space |
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Pagina 41
a > ( Figure 9 ) we see that once it had built up a speed of 25,000 m.p.h. ( which would take only a few minutes of powered flight ) the rocket would “ coast ” upwards , steadily losing speed , until at a great distance it was moving ...
a > ( Figure 9 ) we see that once it had built up a speed of 25,000 m.p.h. ( which would take only a few minutes of powered flight ) the rocket would “ coast ” upwards , steadily losing speed , until at a great distance it was moving ...
Pagina 163
Although interplanetary distances are a million - fold greater than terrestrial ones , interstellar distances are a ... proved that the stars were actually other suns , made pinpoints of light purely because of their enormous distance .
Although interplanetary distances are a million - fold greater than terrestrial ones , interstellar distances are a ... proved that the stars were actually other suns , made pinpoints of light purely because of their enormous distance .
Pagina 164
( This unit , the distance light travels in a year , is a convenient one for measuring stellar distances . It equals 5,880,000,000,000 miles . ) Only one of our nearest eight neighbours is visible , without a telescope ...
( This unit , the distance light travels in a year , is a convenient one for measuring stellar distances . It equals 5,880,000,000,000 miles . ) Only one of our nearest eight neighbours is visible , without a telescope ...
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Cuprins
THE SHAPING OF THE DREAM | 1 |
THE EARTH AND ITS NEIGHBOURS | 9 |
THE ROCKET | 17 |
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able acceleration actual already appear astronautics astronomers atmosphere atomic become body build carry certainly Chapter close completely consider considerable course deal developed difficult direction discovered discuss distance Earth effect energy escape exist exploration extremely fact fall field Figure fuel give given gravity greater heat human hundred idea imagine important impossible increase interesting interplanetary involved journey known landing least less light limit live look lunar Mars material matter means miles minutes Moon motors moving necessary never observed once orbit oxygen perhaps period planets Plate possible practical present pressure probably problem produce purely radio reach reason relatively remain rocket round satellite seems seen ship shown simple Solar space spaceship speed stars stations structure surface telescope temperature thousand Universe velocity Venus weight whole
Informații bibliografice
| Titlu | The Exploration of Space |
| Autor | Arthur Charles Clarke |
| Editor | Temple Press, 1951 |
| Exemplar original de la | Universitatea din Michigan |
| Scanată la | 14 Dec 2007 |
| Lungime | 198 pagini |
| Exportă citatul | BiBTeX EndNote RefMan |